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Diseases

Rust

Pucciniales

Rust is a group of dangerous fungal diseases manifesting as pustules on plant organs. The disease significantly reduces yield by disrupting photosynthesis and increasing transpiration.

Mentioned in descriptions 14 859 varieties reference book.

Rust is a collective name for a group of fungal diseases whose pathogens belong to the order Pucciniales. Outwardly, the disease manifests as the formation of pustules on leaves, stems, and other parts of plants—cushions of orange, brown, or black color containing pathogen spores.

Active development of the disease depends on weather conditions, primarily high humidity in the form of dew, fog, or precipitation, and specific temperature ranges unique to each rust species. Additional risk factors include crop density, the presence of plant residues, and the proximity of alternate hosts necessary for the development of certain fungal species.

The evaluation of cultivar resistance in variety trials is carried out under natural or artificial infectious backgrounds during the milk stage by recording the percentage of infection on the flag leaf surface. Based on the data obtained, accessions are classified as immune, resistant, or susceptible, and molecular analysis methods are used to identify resistance genes, such as Lr34.

Sources10

Breakdown by crop

Rust of common wheat 1 722 Barley rust 466 Rust on perennial ryegrass 377 Sunflower rust 362 Triticale rust 294 Rust of Durum Wheat 268 Oat crown rust 182 Rust of sweet corn 157 Rust of rye 116 Bean rust 114 Rose Rust 114 Rust of Kentucky Bluegrass 110 Rust of Italian ryegrass 109 Apple Rust 106 Rust of tall fescue 104 Maize rust 77 Pear Rust 70 Rust of Italian Ryegrass 70 White Rust of Chrysanthemum 59 Rust of sugar beet 59 Rust on Black Currant 52 Leek Rust 52 Rust of Faba Bean 39 Rust of Faba Bean 38

Found in these crops

Bread wheat 1 739 Barley 468 Perennial ryegrass 378 Sunflower 368 Triticale 295 Durum wheat 269 Oat 183 Sweet corn 158 Rye 116 Common bean 115 Rose 114 Kentucky bluegrass 110

Varieties that feature this in their description

Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.

Torhild

Terminated

Salix L. · Willow

Stig Larsson

PL
2 records

UGI 1796

Active

Solanum lycopersicum L. · Tomato

UNITED GENETICS ITALIA S.P.A

PT
2 records

Udacha odeska

Active

Triticum aestivum L. · Bread wheat

Parfentiev Mykhailo Hryhorovych, Reshetnikova Valentyna Semenivna, Alieksieienko IEvhenii Viktorovych, Maksymov Mykola Havrylovych, Lytvynenko Raisa Ivanivna, Holub IEvheniia Anatoliivna, Honcharuk Nina Oleksandrivna, Lytvynenko Mykola Antonovych,

UA
3 records

Trakiyka

Active

Triticum aestivum L. · Bread wheat

Svetlozar Dragushev

BG
3 records

Titrinio

Terminated

x Triticosecale Wittm. ex A. Camus · Triticale

SEMILLAS BATLLE, S.A.

ES
2 records

Traguardo

Active

Phaseolus vulgaris L. · Common bean

Blumen Group S.p.A. (IT)

FR
3 records

TOUCHSTONE

Terminated

Triticum aestivum L. · Bread wheat

PLANT BREEDING INTERNATIONAL CAMBRIDGE

DK
4 records

Terrier

Terminated

Triticum aestivum L. · Bread wheat

Nickerson International Research S.N.C.

DE
3 records

Truvatura

Active

Solanum lycopersicum L. · Tomato

Vilmorin-Mikado S.A.S.

FR
3 records

TRIDENT

Withdrawn

Triticum aestivum L. · Bread wheat

Van der Have

DK
5 records

Triangle T

Active

Lolium multiflorum Lam. · Italian ryegrass

Oregro Seeds

IT
3 records

Tillsano

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau GmbH & Co.KG

AT
3 records

Tangier

Active

Phaseolus vulgaris L. · Common bean

KWS VEGETABLES B.V.

NL
3 records

Tejada

Active

Triticum aestivum L. · Bread wheat

AGROVEGETAL, S.A.

ES
3 records

Tangenta

Terminated

Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. Herrn Dr. Martin Frauen / Dr. O. Sass

DE
3 records

Symetria

Active

Triticum aestivum L. · Bread wheat

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

PL
4 records

Talladega

Active

Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn

CROOKHAM COMPANY

NL
2 records

Taxi

Terminated

Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean

FRAUEN| Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. Herrn Dr. Martin Frauen / SASS| Dr. O. Sass

DE
3 records

Tattoo

Terminated

Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean

Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. Herrn Dr. Martin Frauen / Dr. O. Sass

DE
3 records

Syntilla

Active

Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass

RAGT 2n, FR

FR
2 records

Taber

Terminated

Triticum aestivum L. · Bread wheat

RODRIGO S.PALOMARES

ES
3 records

Super Moon

Active

Poa pratensis L. · Kentucky bluegrass

PURE SEED TESTING

CZ
2 records

Summergraze

Active

Phleum nodosum L. · Small-leaf timothy

DLF SEEDS A/S

BE
2 records

Strike

Terminated

Zea mays L. · Maize

D.J. VAN DER HAVE B.V.

IT
3 records

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